CN217589089U

CN217589089U - Heat dissipation device and battery pack

Info

Publication number: CN217589089U
Application number: CN202123159596.4U
Authority: CN
Inventors: 江有强; 陈郑阳; 卢伟军; 唐宏文
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-10-14
Anticipated expiration: 2031-12-15

Abstract

The utility model belongs to the technical field of battery heat dissipation, a heat dissipation device and a battery pack are disclosed, the heat dissipation device comprises a box body and a first heat dissipation assembly, an air inlet and an air outlet are respectively arranged at two ends of the box body, the air inlet and the air outlet are communicated to form a heat dissipation air duct, the first heat dissipation assembly is arranged at the box body and positioned at the outer side of the heat dissipation air duct, and a battery module can be installed by pressing close to the heat dissipation air duct and the first heat dissipation assembly; the battery pack comprises a battery module and the heat dissipation device, and the battery module is installed on the heat dissipation device. The heat dissipation device dissipates heat to the battery module through two ways of the heat dissipation air duct and the first heat dissipation assembly, so that the heat dissipation effect is improved, and the service life of the battery module is prolonged.

Description

Heat abstractor and battery package

Technical Field

The utility model relates to a battery heat dissipation technical field especially relates to a heat abstractor and battery package.

Background

With the continuous promotion of structural reform of an energy supply side, the energy development is changed from a rough type to high-quality development, in order to further solve the problem of energy volatility, the energy storage technology and other technologies need to be integrated into power grid optimization, and energy storage equipment is introduced into a base station.

At present, most battery enterprises are through closure screw group structure or electric core welding process, this kind of mode easy operation in groups, and the outside box that adopts is protected, but because the heat that the battery produced in the box can't form the flow, can only dispel the heat through the box body, so the radiating effect is relatively poor, and it is great to lead to energy loss, seriously influences electric core recycling life-span.

In view of the above situation, it is desirable to design a heat dissipation device and a battery pack to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: provided is a heat dissipation device capable of improving a heat dissipation effect.

The utility model discloses another aim at: the battery pack has the advantages that the heat dissipation effect of the heat dissipation device is good, and the service life of the battery module is prolonged.

To achieve the purpose, the utility model adopts the following technical proposal:

in one aspect, a heat dissipation device is disclosed for dissipating heat from a battery module, comprising:

the battery module comprises a box body, wherein an air inlet and an air outlet are formed in two ends of the box body respectively, the air inlet and the air outlet are communicated to form a heat dissipation air duct, and the battery module can be installed close to the heat dissipation air duct;

the first heat dissipation assembly is arranged on the box body and located on the outer side of the heat dissipation air duct, and the battery module can be installed close to the first heat dissipation assembly, so that the first heat dissipation assembly can dissipate heat of the battery module.

As a preferable scheme, at least part of the heat dissipation air duct is set as a second heat dissipation assembly, the second heat dissipation assembly is communicated with the air inlet and the air outlet, and the second heat dissipation assembly can dissipate heat of the battery module.

As a preferable scheme, the second heat dissipation assembly includes:

a first mounting plate;

the second mounting plate is arranged opposite to the first mounting plate;

one end of the first heat dissipation tooth is detachably connected to the first mounting plate, and the other end of the first heat dissipation tooth is detachably connected to the second mounting plate;

and the second heat dissipation teeth are inserted into the first heat dissipation teeth and are positioned between the first mounting plate and the second mounting plate.

As a preferable scheme, the first heat dissipation teeth are arranged in an inverted Z shape, the second heat dissipation teeth are inserted in the middle of the first heat dissipation teeth, and two ends of the second heat dissipation teeth are detachably connected to the first mounting plate and the second mounting plate respectively.

As an optimized scheme, a first slot is formed in the first heat dissipation tooth, a second slot is formed in the second heat dissipation tooth, the first heat dissipation tooth and the second heat dissipation tooth are connected in an inserting mode so that the first slot is connected to the second heat dissipation tooth in a clamped mode, and the second slot is connected to the first heat dissipation tooth in a clamped mode.

As a preferred scheme, the first heat dissipation assembly is set to be a water cooling assembly, and the water cooling assembly comprises a first water pipe layer and a second water pipe layer which are arranged in a stacked mode.

As a preferred scheme, the water channel of the second water pipe layer and the box body are integrally formed, and the water channel of the second water pipe layer is arranged on the box body.

Preferably, the first heat dissipation assembly is located at an end of the heat dissipation air duct.

As a preferable scheme, the heat dissipation device further includes a heat conduction member, the heat conduction member is disposed on the side walls of the heat dissipation air duct and the first heat dissipation assembly, and the battery module can be abutted against the heat dissipation air duct and the first heat dissipation assembly through the heat conduction member.

On the other hand, the battery pack comprises the battery modules and the heat dissipation device, the heat dissipation air duct is clamped between the two adjacent battery modules, and the bottoms of the battery modules are abutted against the first heat dissipation assembly.

The utility model has the advantages that: the utility model provides a heat abstractor and battery package, the battery module can be pressed close to heat abstractor's heat dissipation wind channel and the installation of first radiator unit, and heat dissipation wind channel and first radiator unit dispel the heat to the battery module jointly, have improved the radiating effect, and the battery package includes battery module and foretell heat abstractor, and the battery module is installed in heat abstractor, and then has increased the life of battery module.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is an exploded schematic view of a battery pack;

FIG. 2 is a schematic structural diagram of a second heat dissipation assembly;

FIG. 3 is an exploded view of a second heat sink assembly;

fig. 4 is a schematic structural view of a battery pack.

In fig. 1 to 4:

1. a box body; 11. a cover plate; 111. an air outlet; 12. a base plate; 121. an air inlet; 13. a front panel;

2. a first heat dissipation assembly; 21. a first water pipe layer; 22. a second water pipe layer;

3. a second heat dissipation assembly; 31. a first mounting plate; 311. a T-shaped groove; 32. a second mounting plate; 33. a first heat dissipation tooth; 331. a first slot; 332. a T-shaped inserting table; 34. a second heat dissipation tooth; 341. a second slot;

4. a heat conductive member;

5. a battery module is provided.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides a heat dissipation apparatus, which is used for dissipating heat of a battery module 5, and specifically includes a case 1 and a first heat dissipation assembly 2, where the case 1 includes a cover plate 11, a bottom plate 12 and a front plate 13, the cover plate 11, the bottom plate 12 and the front plate 13 are connected with each other and surround to form an accommodation cavity, the cover plate 11 and the bottom plate 12 opposite to the cover plate 11 are respectively provided with an air outlet 111 and an air inlet 121, the air inlet 121 and the air outlet 111 are formed by a plurality of dense heat dissipation holes, the air inlet 121 and the air outlet 111 are communicated to form a heat dissipation air duct, and the battery module 5 can be installed in the accommodation cavity and placed close to the heat dissipation air duct; first heat dissipation assembly 2 sets up in box 1 and is located the outside in heat dissipation wind channel equally, and is preferred, and first heat dissipation assembly 2 is other heat radiation structure that is different from the forced air cooling, and battery module 5 can install in the holding intracavity and press close to first heat dissipation assembly 2 and place. It can be understood that the heat dissipation air duct and the first heat dissipation assembly 2 cooperate to dissipate heat of the battery module 5 together, thereby improving the heat dissipation effect.

As a preferred embodiment, the structure of the heat dissipation air duct in the box 1 is the second heat dissipation assembly 3, one end of the second heat dissipation assembly 3 is communicated with the air inlet 121, the other end of the second heat dissipation assembly 3 is communicated with the air outlet 111, the cover plate 11 compresses the second heat dissipation assembly 3 on the bottom plate 12, and the battery module 5 can be placed close to the second heat dissipation assembly 3. Specifically, the second heat dissipation assembly 3 absorbs heat of the battery module 5 and then discharges the heat through air flow of the heat dissipation air duct, thereby further improving the heat dissipation effect. Preferably, a heat dissipation fan is installed at the air inlet 121 or the air outlet 111, so that the flow rate of the air flow can be increased, and the heat dissipation speed can be increased. The utility model discloses an in other embodiments, also can set up the partial structure of heat dissipation wind channel in box 1 into second radiator unit 3, partial structure sets up to air pipe, can play the effect that improves the radiating effect equally.

As shown in fig. 2 and 3, the second heat sink assembly 3 includes a first mounting plate 31, a second mounting plate 32, a first heat dissipation tooth 33 and a second heat dissipation tooth 34, the first mounting plate 31 and the second mounting plate 32 are parallel and opposite to each other, the first heat dissipation tooth 33 and the second heat dissipation tooth 34 are arranged as tree-shaped heat dissipation teeth, T-shaped grooves 311 are respectively formed on the first mounting plate 31 and the second mounting plate 32, a T-shaped socket 332 is arranged at an end of the first heat dissipation tooth 33, the T-shaped socket 332 is inserted into the T-shaped grooves 311 to detachably connect two ends of the first heat dissipation tooth 33 to the second mounting plate 32, and the second heat dissipation tooth 34 is inserted into a middle portion of the first heat dissipation tooth 33 and is located between the first mounting plate 31 and the second mounting plate 32. The second heat dissipation assembly 3 is arranged in a modularized mode and is formed by assembling a plurality of components, and manufacturing and assembling are convenient. In other embodiments of the present invention, the first heat dissipation teeth 33 can be detachably connected to the first mounting plate 31 and the second mounting plate 32 by screws.

In this embodiment, the first heat dissipation teeth 33 are arranged in an inverted Z shape, the middle portions of the first heat dissipation teeth 33 extend along the longitudinal direction, the second heat dissipation teeth 34 extend along the transverse direction, the second heat dissipation teeth 34 are inserted into the middle portions of the first heat dissipation teeth 33 in a criss-cross arrangement, the T-shaped insert tables 332 are also arranged at the two ends of the second heat dissipation teeth 34, the T-shaped insert tables 332 can be inserted into the T-shaped grooves 311 to detachably connect the two ends of the second heat dissipation teeth 34 to the first mounting plate 31 and the second mounting plate 32, and the structural strength is improved.

Specifically, a first slot 331 is formed in the middle of the first heat dissipation tooth 33, a second slot 341 corresponding to the first slot 331 one by one is formed in the second heat dissipation tooth 34, the first heat dissipation tooth 33 and the second heat dissipation tooth 34 are inserted into each other through the first slot 331 and the second slot 341, when the first heat dissipation tooth 33 and the second heat dissipation tooth 34 are inserted into each other, the first heat dissipation tooth 33 is clamped to the second slot 341, the second heat dissipation tooth 34 is clamped to the first slot 331, two sides of the first heat dissipation tooth 33 and two sides of the second heat dissipation tooth 34 are aligned, and the structure is compact. In other embodiments of the present invention, the insertion groove may be opened only on one of the first heat dissipation tooth 33 and the second heat dissipation tooth 34, and the other one can be inserted into the insertion groove to connect the first heat dissipation tooth 33 and the second heat dissipation tooth 34.

As shown in fig. 1 and 4, the first heat dissipation assembly 2 is a water cooling assembly, the water cooling assembly includes a first water pipe layer 21 and a second water pipe layer 22, and the first water pipe layer 21 and the second water pipe layer 22 are sequentially arranged along a direction away from the battery module 5. The first water pipe layer 21 absorbs heat of the battery module 5 and takes part of the heat out of the box body 1, and the other part of the heat is transferred to the second water pipe layer 22, so that secondary heat dissipation of the battery module 5 is realized, and the heat dissipation effect is improved.

Specifically, the first water pipe layer 21 is a water pipe, specifically a copper water pipe, an S-shaped groove is processed on the bottom plate 12 in a numerical control manner, the copper water pipe is pressed into the groove of the bottom plate 12 in an interference manner in a hydraulic manner and is glued and fixed, and the heat of the battery module 5 can be quickly absorbed due to the high thermal conductivity of copper and is taken out of the box body 1 through cooling water; the water course (not shown in the figure) and the box 1 integrated into one piece of second water pipe layer 22, can be specifically through die-casting or the crowded mode shaping of aluminium, the water course that is exactly second water pipe layer 22 is seted up in the bottom plate 12 of box 1, and communicate through the external pipeline of lateral wall between the water course of second water pipe layer 22 and the water course, front panel 13 is all seted up to the water inlet and the delivery port of first water pipe layer 21 and second water pipe layer 22, compact structure, the first water pipe layer 21 of this embodiment and second water pipe layer 22 are only through middle bottom plate 12 transfer heat, direct intercommunication is not.

As a preferred embodiment, the first heat dissipation assembly 2 is located at an end of the heat dissipation air duct, the first heat dissipation assembly 2 is disposed on the bottom plate 12, the air inlet 121 of the heat dissipation air duct is also opened on the bottom plate 12, and the heat dissipation air duct extends along the vertical direction, so that the heat dissipation air duct can accelerate the dissipation speed of the heat absorbed by the first heat dissipation assembly 2 by using the heat rising principle, and further improve the heat dissipation effect.

In this embodiment, the heat dissipation device further includes a heat conducting member 4, the heat conducting member 4 can be set as a heat conducting sheet of heat conducting gel or high heat conductivity, the heat conducting member 4 is disposed between the heat dissipation air duct and the first heat dissipation assembly 2 and the battery module 5, and the battery module 5 is abutted to the heat dissipation air duct and the first heat dissipation assembly 2 through the heat conducting member 4, so that the heat dissipation effect is improved.

The embodiment also provides a battery pack, which comprises the battery modules 5 and the heat dissipation device, wherein the heat dissipation air duct extends along the vertical direction, the two battery modules 5 clamp the heat dissipation air duct, the bottom of each battery module 5 is abutted against the first heat dissipation assembly 2 at the air inlet 121 of the heat dissipation air duct, and the front end and the rear end of each battery module 5 are connected to the bottom plate 12 through screws. Wherein, heat abstractor's radiating effect is good to battery module 5's life has been increased.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A heat dissipating device for dissipating heat from a battery module (5), comprising:

the battery module comprises a box body (1), wherein an air inlet (121) and an air outlet (111) are respectively formed in two ends of the box body (1), the air inlet (121) and the air outlet (111) are communicated to form a heat dissipation air duct, and the battery module (5) can be installed by being close to the heat dissipation air duct;

the first heat dissipation assembly (2) is arranged in the box body (1) and located outside the heat dissipation air channel, and the battery module (5) can be installed close to the first heat dissipation assembly (2) so that the first heat dissipation assembly (2) can dissipate heat of the battery module (5).

2. The heat dissipation device according to claim 1, wherein at least a portion of the heat dissipation air duct is configured as a second heat dissipation assembly (3), the second heat dissipation assembly (3) communicates the air inlet (121) and the air outlet (111), and the second heat dissipation assembly (3) can dissipate heat of the battery module (5).

3. The heat dissipating arrangement according to claim 2, characterized in that the second heat dissipating assembly (3) comprises:

a first mounting plate (31);

a second mounting plate (32) disposed opposite to the first mounting plate (31);

a first heat dissipation tooth (33) having one end detachably connected to the first mounting plate (31) and the other end detachably connected to the second mounting plate (32);

and the second heat dissipation tooth (34) is inserted into the first heat dissipation tooth (33) and is positioned between the first mounting plate (31) and the second mounting plate (32).

4. The heat dissipating device as claimed in claim 3, wherein the first heat dissipating teeth (33) are arranged in an inverted Z shape, the second heat dissipating teeth (34) are inserted into the middle of the first heat dissipating teeth (33), and both ends of the second heat dissipating teeth (34) are detachably connected to the first mounting plate (31) and the second mounting plate (32), respectively.

5. The heat dissipation device as claimed in claim 4, wherein the first heat dissipation tooth (33) defines a first slot (331), the second heat dissipation tooth (34) defines a second slot (341), the first heat dissipation tooth (33) and the second heat dissipation tooth (34) are connected in an inserting manner, such that the first slot (331) is connected to the second heat dissipation tooth (34) in a clamping manner, and the second slot (341) is connected to the first heat dissipation tooth (33) in a clamping manner.

6. The heat sink as recited in claim 1, characterized in that the first heat dissipation assembly (2) is provided as a water-cooling assembly comprising a first water pipe layer (21) and a second water pipe layer (22) arranged in a stack.

7. The heat sink as claimed in claim 6, characterized in that the water channel of the second water pipe layer (22) is integrally formed with the tank body (1), the water channel of the second water pipe layer (22) being open to the tank body (1).

8. The heat sink as claimed in claim 1, characterized in that the first heat dissipating component (2) is located at the end of the heat dissipating air duct.

9. The heat dissipation device according to claim 1, further comprising a heat conduction member (4), wherein the heat conduction member (4) is disposed on the side walls of the heat dissipation air duct and the first heat dissipation assembly (2), and the battery module (5) can abut against the heat dissipation air duct and the first heat dissipation assembly (2) through the heat conduction member (4).

10. A battery pack, comprising battery modules (5) and the heat dissipation device of any one of claims 1 to 9, wherein the heat dissipation duct is sandwiched between two adjacent battery modules (5), and the bottom of each battery module (5) abuts against the first heat dissipation assembly (2).